diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1edfc0c..fa762e9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     services:
       redis:
-        image: redis:7
+        image: redis:8
         # Map host port 6390 to match the local docker-compose default,
         # so tests resolve REDIS_URL=redis://127.0.0.1:6390 with no env override.
         ports:
@@ -40,7 +40,7 @@ jobs:
     runs-on: ubuntu-latest
     services:
       redis:
-        image: redis:7
+        image: redis:8
         ports:
           - 6390:6379
         options: >-
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index e277f0b..4ed4a1f 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -20,7 +20,7 @@ jobs:
       id-token: write
     services:
       redis:
-        image: redis:7
+        image: redis:8
         ports:
           - 6390:6379
         options: >-
diff --git a/docker-compose.yml b/docker-compose.yml
index 556527f..baf7e63 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,6 +1,6 @@
 services:
   redis:
-    image: redis:7-alpine
+    image: redis:8-alpine
     container_name: coordinator-test-redis
     ports:
       - "6390:6379"